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Describe the different types of isomers.

The two main types of are structural isomers and stereoisomers. Structural Isomers have the same molecular formula but a different arrangement of atoms. The position of the functional group can change result...
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Answered by Simona E. • Chemistry tutor
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Describe and compare three features of the structure and bonding in the three allotropes of carbon: diamond, graphite and C60 fullerene.

I will explain to students that even though they only need to use three features, it is important to learn and understand all five features to excel in the exam. This way, during the exam, the students may p...
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Answered by Amit A. • Chemistry tutor
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0.1 M sodium hydroxide (strong base) is added to 25 ml of 0.1 M of ethanoic acid (weak acid) in a titration. What is the pH at equivalence?

The equivalence point is reached when the titrant added neutralizes the titrand. It is thought that when a solution is neutral it would have a pH of 7. However, the combination of a weak acid and a strong ba...
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Answered by Sean P. • Chemistry tutor
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Why is zinc not considered a transition metal?

The electron configuration of zinc is [Ar]4s 2 3d 10 . The only oxidative state which zinc has is Zn 2+ in which its configuration is [Ar] (4s 0) 3d 10 , as the 4s sub-level empties first. The definition of ...
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Answered by Niall S. • Chemistry tutor
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There are three halogenoalkanes with halogens F, Br and I. Each undergo an SN2 reaction. How does the rate of reaction differ between the three halogenoalkanes?

The Iodoalkane will have the fastest rate of reaction. The Bromoalkane will have the second fastest, while the Floroalkane will have the slowest. This is because the atomic radius increases from Florine to I...
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Answered by Rosalie G. • Chemistry tutor
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